Inventor · disambiguated record
Randall George Simmons
Also filed as: SIMMONS RANDALL · SIMMONS RANDALL G · SIMMONS RANDALL GEORGE
39 granted patents·1 pending application·1,149 citations·filing 1988–2022
98Inventor score
Top patents by PatentIndex Score
40 records- 0196US5986853ATransducer suspension systemIBM·Filed 1998·Granted Nov 16, 1999·111 cites·22 claims
- 0296US5862010ATransducer suspension systemIBM·Filed 1997·Granted Jan 19, 1999·119 cites·2 claims
- 0396US5805382AIntegrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reductionIBM·Filed 1996·Granted Sep 8, 1998·122 cites·38 claims
- 0493US10083713B1Heat-assisted magnetic recording (HAMR) write head with protective multilayer film for near-field transducerWESTERN DIGITAL TECH INC·Filed 2017·Granted Sep 25, 2018·22 cites·29 claims
- 0593US5892637AMulti-piece integrated suspension assembly for a magnetic storage systemIBM·Filed 1996·Granted Apr 6, 1999·88 cites·21 claims
- 0693US5699212AMethod of electrostatic discharge protection of magnetic heads in a magnetic storage systemIBM·Filed 1996·Granted Dec 16, 1997·98 cites·27 claims
- 0787US10748561B1Magnetic recording disk drive with a contact pad for protection of the write head and process for making the padWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 18, 2020·7 cites·18 claims
- 0887US6596184B1Non-homogeneous laminate materials for suspensions with conductor support blocksIBM·Filed 1999·Granted Jul 22, 2003·65 cites·11 claims
- 0986US5742452ALow mass magnetic recording head and suspensionIBM·Filed 1996·Granted Apr 21, 1998·41 cites·55 claims
- 1085US6861177B2Method of forming a read sensor using a lift-off mask having a hardmask layer and a release layerHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 1, 2005·19 cites·15 claims
- 1185US5739982ALaser treatment of head gimbal assembly componentsIBM·Filed 1996·Granted Apr 14, 1998·48 cites·19 claims
- 1283US7982987B2Methods and apparatus to detect surface characteristics on magnetic read/write headsHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jul 19, 2011·7 cites·17 claims
- 1380US6046882ASolder balltape and method for making electrical connection between a head transducer and an electrical leadIBM·Filed 1996·Granted Apr 4, 2000·51 cites·18 claims
- 1476US5066552ALow noise thin film metal alloy magnetic recording diskIBM·Filed 1989·Granted Nov 19, 1991·35 cites·8 claims
- 1575US11270872B2Base conducting layer beneath graphite layer of ceramic cathode for use with cathodic arc depositionWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 8, 2022·0 cites·21 claims
- 1675US6117283ASilicon coating on air bearing surface for magnetic thin film headsIBM·Filed 1996·Granted Sep 12, 2000·23 cites·11 claims
- 1775US5969906ATransducer suspension system having access apertureIBM·Filed 1999·Granted Oct 19, 1999·23 cites·12 claims
- 1874US4927618AProcess for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonatePFIZER·Filed 1988·Granted May 22, 1990·23 cites·12 claims
- 1972US11527390B2Base conducting layer beneath graphite layer of ceramic cathode for use with cathodic arc depositionWESTERN DIGITAL TECH INC·Filed 2022·Granted Dec 13, 2022·0 cites·17 claims
- 2072US5949624AHorizontal shared-pole magnetic read/write head having polarization conductor disabling write poleIBM·Filed 1997·Granted Sep 7, 1999·21 cites·29 claims
- 2172US5871655AIntegrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reductionIBM·Filed 1998·Granted Feb 16, 1999·30 cites·23 claims
- 2271US5873159AMethod of manufacturing a transducer suspension systemIBM·Filed 1997·Granted Feb 23, 1999·19 cites·20 claims
- 2370US6318624B1Solder balltape and method for making electrical connection between a head transducer and an electrical leadIBM·Filed 1999·Granted Nov 20, 2001·30 cites·10 claims
- 2468US5929326AGlide sensor integrated suspensionIBM·Filed 1997·Granted Jul 27, 1999·22 cites·6 claims
- 2564US6576148B1Non-homogeneous laminate material for suspension with electrostatic discharge shuntingIBM·Filed 1999·Granted Jun 10, 2003·24 cites·13 claims
- 2659US9899049B2Magnetic write head having recessed trailing shield and trailing return poleHGST Netherlands BV·Filed 2016·Granted Feb 20, 2018·1 cites·10 claims
- 2759US5926350ADual gap horizontal thin film inductive headIBM·Filed 1996·Granted Jul 20, 1999·14 cites·32 claims
- 2858US5920762AMethod of making low mass magnetic recording head and suspensionIBM·Filed 1997·Granted Jul 6, 1999·11 cites·19 claims
- 2958US5742457AHorizontal shared-pole magnetic read/write head having polarization conductor disabling write poleIBM·Filed 1996·Granted Apr 21, 1998·11 cites·29 claims
- 3056US4980395AProcess for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonatePFIZER·Filed 1990·Granted Dec 25, 1990·12 cites·7 claims
- 3154US5808832AUltrathin silicon wear coating for a slider and thin film magnetic head elements at an ABSIBM·Filed 1996·Granted Sep 15, 1998·9 cites·8 claims
- 3252US8797688B2Fill-in contact layer for slider air bearing surface protective coatingHGST Netherlands BV·Filed 2012·Granted Aug 5, 2014·0 cites·22 claims
- 3350US6532134B1Silicon coating on air bearing surface for magnetic thin film headsIBM·Filed 1996·Granted Mar 11, 2003·7 cites·27 claims
- 3445US6533950B1Non-homogeneous laminate material for suspension with flexure motion limiterIBM·Filed 1999·Granted Mar 18, 2003·10 cites·18 claims
- 3545US6411469B1Transducer suspension system with high conductivity leads having two layersIBM·Filed 1997·Granted Jun 25, 2002·6 cites·20 claims
- 3645US2009244787A1Perpendicular head with wide track writing capability and methods of media testingGIORGI ALAN PAUL·Filed 2008·Application pending·0 cites
- 3744US6023840AMethod of manufacturing a thin film magnetic head having an ultrathin silicon wear coatingIBM·Filed 1998·Granted Feb 15, 2000·5 cites·8 claims
- 3840US6585902B1Non-homogeneous laminate material for suspension with vibration dampeningIBM·Filed 1999·Granted Jul 1, 2003·9 cites·4 claims
- 3938US7116523B2Interconnect module for use in a suspension assemblyHITACHI GLOBAL STORAGE TECH·Filed 1998·Granted Oct 3, 2006·5 cites·26 claims
- 4029US5079086AMagnetic recording mediaIBM·Filed 1990·Granted Jan 7, 1992·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →